svn-gvsig-desktop / branches / v02_desarrollo / libraries / sld / temp / org.gvsig.sldsupport.lib.api / oldcode / util / SLDUtils.java @ 40781
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/* gvSIG. Sistema de Informaci�n Geogr�fica de la Generalitat Valenciana
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*
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* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib��ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*/
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package org.gvsig.sldsupport.util; |
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import java.awt.BasicStroke; |
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import java.awt.Color; |
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import java.util.StringTokenizer; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.GeometryLocator; |
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import org.gvsig.fmap.geom.GeometryManager; |
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import org.gvsig.fmap.geom.type.GeometryType; |
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import org.gvsig.sldsupport.exception.SLDReadException; |
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import org.gvsig.symbology.fmap.mapcontext.rendering.symbol.marker.IMarkerSymbol; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import org.xmlpull.v1.XmlPullParser; |
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/**
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* Implements an utility class for SLD functionality
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*
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* @author Pepe Vidal Salvador jose.vidal.salvador@iver.es
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*
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*/
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public class SLDUtils { |
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private static GeometryManager gm = null; |
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private static Logger logger = LoggerFactory.getLogger(SLDUtils.class); |
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public static Color convertHexStringToColor(String str) |
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throws NumberFormatException, SLDReadException { |
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int multiplier = 1; |
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StringTokenizer tokenizer = new StringTokenizer(str, " \t\r\n\b:;[]()+"); |
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while (tokenizer.hasMoreTokens()) {
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multiplier = 1;
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String token = tokenizer.nextToken();
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if (null == token) { |
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throw new NumberFormatException(str); |
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} |
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if (token.startsWith("-")) { |
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multiplier = -1;
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token = token.substring(1);
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} |
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int point_index = token.indexOf("."); |
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if (point_index > 0) { |
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token = token.substring(0, point_index);
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} else if (point_index == 0) { |
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return new Color(0); |
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} |
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try {
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if (token.startsWith("0x")) { |
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return new Color(multiplier |
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* Integer.parseInt(token.substring(2), 16)); |
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} else if (token.startsWith("#")) { |
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return new Color(multiplier |
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* Integer.parseInt(token.substring(1), 16)); |
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} else if (token.startsWith("0") && !token.equals("0")) { |
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return new Color(multiplier * Integer.parseInt(token.substring(1), 8)); |
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} else {
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return new Color(multiplier * Integer.parseInt(token)); |
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} |
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} catch (NumberFormatException e) { |
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continue;
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} |
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} |
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throw new SLDReadException(new Exception( |
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"Error while parsing '" + str + "'")); |
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} |
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public static String convertOpacityToString(float alpha) { |
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return String.valueOf((float)(alpha/255)); |
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} |
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public static String convertLineJoinToString(int lineJoin) { |
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if (lineJoin == BasicStroke.JOIN_BEVEL) |
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return "bevel"; |
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else if (lineJoin == BasicStroke.JOIN_MITER) |
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return "miter"; |
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else if (lineJoin == BasicStroke.JOIN_ROUND) |
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return "round"; |
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return null; |
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} |
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public static String convertLineCapToString(int endCap) { |
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if (endCap == BasicStroke.CAP_BUTT) |
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return "butt"; |
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else if (endCap == BasicStroke.CAP_ROUND) |
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return "round"; |
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else if (endCap == BasicStroke.CAP_SQUARE) |
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return "square"; |
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return null; |
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} |
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public static int getMarkerStyle(String name) { |
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if (name == null ) |
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return IMarkerSymbol.SQUARE_STYLE;
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else if (name.compareTo(SLDTags.CIRCLE) == 0) |
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return IMarkerSymbol.CIRCLE_STYLE;
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else if (name.compareTo(SLDTags.TRIANGLE) == 0) |
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return IMarkerSymbol.TRIANGLE_STYLE;
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else if (name.compareTo(SLDTags.STAR) == 0) |
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return IMarkerSymbol.STAR_STYLE;
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else if (name.compareTo(SLDTags.CROSS) == 0) |
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return IMarkerSymbol.CROSS_STYLE;
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return IMarkerSymbol.SQUARE_STYLE;
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} |
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public static String convertColorToHexString(java.awt.Color c) |
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{
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String str = Integer.toHexString( c.getRGB() & 0xFFFFFF ); |
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return ( "#" + "000000".substring( str.length() ) + str.toUpperCase() ); |
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} |
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public static boolean isANumber(String s) { |
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final String digit = "([0-9])+" + ".?" + "([0-9])*"; |
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if (s.matches(digit))
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return true; |
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return false; |
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} |
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public static boolean isColor(String s) { |
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final String alpha = "[0-9a-fA-F]"; |
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final String color = "#"+alpha+"{6}"; |
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if (s.matches(color))
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return true; |
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return false; |
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} |
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public static String getMarkWellKnownName(int style) { |
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if (style == IMarkerSymbol.CIRCLE_STYLE)
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return "circle"; |
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else if (style == IMarkerSymbol.CROSS_STYLE) |
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return "cross"; |
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else if (style == IMarkerSymbol.SQUARE_STYLE) |
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return "square"; |
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else if (style == IMarkerSymbol.TRIANGLE_STYLE) |
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return "triangle"; |
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else if (style == IMarkerSymbol.STAR_STYLE) |
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return "star"; |
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return "square"; |
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} |
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public static boolean isLineJoin(String literal) { |
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if (literal.compareTo("bevel")== 0 || literal.compareTo("miter")== 0 || literal.compareTo("round")== 0) |
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return true; |
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return false; |
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} |
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public static boolean isLineCap(String literal) { |
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if (literal.compareTo("butt")== 0 || literal.compareTo("round")== 0 || literal.compareTo("square")== 0) |
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return true; |
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return false; |
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} |
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public static boolean isPolygonal(int ty) { |
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GeometryType gt = null;
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try {
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gt = gm().getGeometryType(ty, Geometry.SUBTYPES.GEOM2D); |
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} catch (Exception e) { |
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logger.error("While getting gtype.", e);
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return false; |
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} |
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return gt.isTypeOf(Geometry.TYPES.SURFACE)
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|| ty == Geometry.TYPES.MULTISURFACE; |
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} |
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public static boolean isLinear(int ty) { |
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GeometryType gt = null;
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try {
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gt = gm().getGeometryType(ty, Geometry.SUBTYPES.GEOM2D); |
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} catch (Exception e) { |
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logger.error("While getting gtype.", e);
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return false; |
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} |
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return gt.isTypeOf(Geometry.TYPES.CURVE)
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|| ty == Geometry.TYPES.MULTICURVE; |
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} |
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public static boolean isPoint(int ty) { |
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if (ty == Geometry.TYPES.POINT
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|| ty == Geometry.TYPES.MULTIPOINT |
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) {
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return true; |
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} else {
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return false; |
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} |
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} |
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private static GeometryManager gm() { |
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if (gm == null) { |
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gm = GeometryLocator.getGeometryManager(); |
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} |
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return gm;
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} |
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} |